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diff --git a/man3p/sigismember.3p b/man3p/sigismember.3p new file mode 100644 index 000000000..f6ab9703d --- /dev/null +++ b/man3p/sigismember.3p @@ -0,0 +1,74 @@ +.\" Copyright (c) 2001-2003 The Open Group, All Rights Reserved +.TH "SIGISMEMBER" P 2003 "IEEE/The Open Group" "POSIX Programmer's Manual" +.\" sigismember +.SH NAME +sigismember \- test for a signal in a signal set +.SH SYNOPSIS +.LP +\fB#include <signal.h> +.br +.sp +int sigismember(const sigset_t *\fP\fIset\fP\fB, int\fP \fIsigno\fP\fB); +\fP +\fB +.br +\fP +.SH DESCRIPTION +.LP +The \fIsigismember\fP() function shall test whether the signal specified +by \fIsigno\fP is a member of the set pointed to by +\fIset\fP. +.LP +Applications should call either \fIsigemptyset\fP() or \fIsigfillset\fP() +at least once for each object of type \fBsigset_t\fP prior to any +other use +of that object. If such an object is not initialized in this way, +but is nonetheless supplied as an argument to any of \fIpthread_sigmask\fP(), +\fIsigaction\fP(), \fIsigaddset\fP(), \fIsigdelset\fP(), +\fIsigismember\fP(), \fIsigpending\fP(), \fIsigprocmask\fP(), \fIsigsuspend\fP(), +\fIsigtimedwait\fP(), \fIsigwait\fP(), or \fIsigwaitinfo\fP(), the +results are undefined. +.SH RETURN VALUE +.LP +Upon successful completion, \fIsigismember\fP() shall return 1 if +the specified signal is a member of the specified set, or 0 +if it is not. Otherwise, it shall return -1 and set \fIerrno\fP to +indicate the error. +.SH ERRORS +.LP +The \fIsigismember\fP() function may fail if: +.TP 7 +.B EINVAL +The \fIsigno\fP argument is not a valid signal number, or is an unsupported +signal number. +.sp +.LP +\fIThe following sections are informative.\fP +.SH EXAMPLES +.LP +None. +.SH APPLICATION USAGE +.LP +None. +.SH RATIONALE +.LP +None. +.SH FUTURE DIRECTIONS +.LP +None. +.SH SEE ALSO +.LP +\fISignal Concepts\fP , \fIsigaction\fP() , \fIsigaddset\fP() , \fIsigdelset\fP() +, \fIsigfillset\fP() , \fIsigemptyset\fP() , \fIsigpending\fP() , +\fIsigprocmask\fP() , \fIsigsuspend\fP() , the Base Definitions volume +of IEEE\ Std\ 1003.1-2001, \fI<signal.h>\fP +.SH COPYRIGHT +Portions of this text are reprinted and reproduced in electronic form +from IEEE Std 1003.1, 2003 Edition, Standard for Information Technology +-- Portable Operating System Interface (POSIX), The Open Group Base +Specifications Issue 6, Copyright (C) 2001-2003 by the Institute of +Electrical and Electronics Engineers, Inc and The Open Group. In the +event of any discrepancy between this version and the original IEEE and +The Open Group Standard, the original IEEE and The Open Group Standard +is the referee document. The original Standard can be obtained online at +http://www.opengroup.org/unix/online.html . |